Standards

DL/T 408-2023 Active

DL/T 408-2023 DL/T 408-2023 Electricity Safety Work Regulations for Electrical Part of Power Plant and Substation

This document stipulates the basic electrical safety requirements that personnel working at power generation units, power plants, and substations should comply with. This document applies to the operation of electrical equipment in power plants and substations, as well as related work sites.

Publish Date: 2023-12-28

DL/T 409-2023 Active

DL/T 409-2023 DL/T 409-2023 Electric Power Safety Work Regulations Part for Power Lines

This document stipulates the basic electrical safety requirements that personnel working at power generation units and power line operation sites should comply with. This document applies to the operation of power lines and distribution equipment in distribution networks, as well as related work sites.

Publish Date: 2023-12-28

DL/T 498-2023 Active

DL/T 498-2023 DL/T 498-2023 Determination method for free calcium oxide in fly ash

This document describes the method of determining the free calcium oxide in fly ash by the glycol-EDTA titration method. This document is suitable for the determination of free calcium oxide in fly ash from coal-fired power plants, with a measurement range of 0.01% to 4.00%. When the mass of the sample weighed is 1.0000g, the method's detection limit is 0.0025%, and the measurement lower limit is 0.01%.

Publish Date: 2023-12-28

DL/T 824-2023 Active

DL/T 824-2023 DL/T 824-2023 Performance Acceptance Guidelines for Steam Turbine Electro-Hydraulic Regulation System

This document specifies the technical requirements, functional requirements, and performance acceptance provisions for the electro-hydraulic control system of steam turbines. This document is applicable to electro-hydraulic control systems for steam turbines used for power generation with a single unit capacity of 300MW or more. For small-capacity steam turbines with a capacity of less than 300MW and electro-hydraulic control systems for steam turbines used for other purposes, this document can be used as a reference for implementation.

Publish Date: 2023-12-28

DL/T 834-2023 Active

DL/T 834-2023 DL/T 834-2023 Guidelines for Prevention of Water Infiltration and Cold Steam Entry into Steam Turbines of Thermal Power Plants

This document specifies the design, operation, inspection, and maintenance technical requirements for equipment and systems involved in preventing water ingress and cold steam in steam turbines. This document applies to steam turbines in thermal power plants, but not to nuclear power plant steam turbines.

Publish Date: 2023-12-28

DL/T 867-2023 Active

DL/T 867-2023 Method for the Analysis of Arsenic, Cadmium, Chromium, Copper, Nickel, Lead and Zinc in Fly ash - DL/T 867-2023

This document describes the methods for determining arsenic, cadmium, chromium, copper, nickel, lead, and zinc in fly ash from coal-fired power plants using atomic absorption spectrometry and inductively coupled plasma emission spectrometry, respectively. This document is applicable to the determination of arsenic, cadmium, chromium, copper, nickel, lead, and zinc in fly ash from coal-fired power plants. When the sampling amount is 0.25g and the digestion and dilution volume is 25ml, the detection limit and lower limit of determination for each element are listed in Appendix A. Parties using this document may select either atomic absorption spectrometry or inductively coupled plasma emission spectrometry based on their specific circumstances.

Publish Date: 2023-12-28

DL/T 938-2023 Active

DL/T 938-2023 DL/T 938-2023 Water quality analysis methods for drainage from thermal power plants

This document specifies the sampling and preservation techniques, analysis methods, and quality control for wastewater from thermal power plants. This document is applicable to the detection and analysis of the water quality of wastewater from thermal power plants.

Publish Date: 2023-12-28

DL/T 988-2023 Active

DL/T 988-2023 DL/T 988-2023 Measurement methods for frequency electric field and magnetic field of high-voltage AC overhead power transmission lines and substations

This document specifies the measurement methods for high-voltage AC overhead transmission lines and power frequency electric and magnetic fields in substations. This document is applicable to high-voltage AC overhead transmission lines and substations of all voltage levels.

Publish Date: 2023-12-28

DL/T 1006-2023 Active

DL/T 1006-2023 DL/T 1006-2023 Overhead Transmission Line Inspection System

This document stipulates the basic requirements and general functions of the intelligent inspection system for overhead transmission lines. This document is applicable to the planning, design, construction, acceptance, and application of intelligent technology-based overhead transmission line inspection systems.

Publish Date: 2023-12-28

DL/T 1032-2023 Active

DL/T 1032-2023 The Sampling Method for Six Fluoride Gas (SF6) Used in Electrical Equipment - DL/T 1032-2023

This document specifies the requirements for sampling devices, sampling sites, sampling procedures, and sample preservation for collecting SF6 gas from electrical equipment, steel cylinders, and gas storage tanks. This document is applicable to the sampling of SF6 gas or SF6 gas mixtures from electrical equipment, steel cylinders, and gas storage tanks.

Publish Date: 2023-12-28

DL/T 1097-2023 Active

DL/T 1097-2023 DL/T 1097-2023 Code of welding technology for tube plate of condenser in thermal power plant

This document specifies the general requirements for the welding of condenser tube plates in thermal power plants, the welding process, quality inspection, and repair techniques. This document is applicable to the sealed welding of condenser tube plates and heat exchange tubes in thermal power plants. The tube plate materials are carbon steel and titanium composite plates, and carbon steel and stainless steel composite plates. The heat exchange tube materials are titanium or stainless steel. The welding of condenser tube plates in the conventional island of nuclear power plants can be used for reference.

Publish Date: 2023-12-28

DL/T 1148-2023 Active

DL/T 1148-2023 DL/T 1148-2023 Electric power cable line inspection system

This document specifies the general requirements, inspection methods, inspection strategies, technical requirements of the inspection system, and data application requirements for power cable line inspection systems. This document is applicable to the planning, design, construction, acceptance, and application of power cable line inspection systems with a voltage of 35 kV and above, excluding submarine cables.

Publish Date: 2023-12-28